Home / 104,006.96-155,869.07-43,985.54

Finding the Fourth Proportional to 104,006.96, 155,869.07 and 43,985.54

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Solution

The fourth proportional to 104,006.96, 155,869.07 and 43,985.54 is: 65,918.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,006.96 : 155,869.07 = 43,985.54 : x
  2. Step 2: Convert to fraction form
    104,006.96/155,869.07 = 43,985.54/x
  3. Step 3: Cross multiply
    104,006.96x = 155,869.07 × 43,985.54
  4. Step 4: Simplify right side
    104,006.96x = 6,855,985,213.25
  5. Step 5: Solve for x
    x = 6,855,985,213.25/104,006.96
  6. Step 6: Final answer
    x = 65,918.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.